Photo by Melody

PlantFiles: Thai Crown of Thorns
Euphorbia x lomi 'Valentine'

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: x lomi
Cultivar: Valentine

8 members have or want this plant for trade.

Cactus and Succulents

12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Unknown - Tell us

USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

Bloom Time:
Blooms all year


Other details:
Average Water Needs; Water regularly; do not overwater
Provides winter interest
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings

Seed Collecting:
Unknown - Tell us

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By Happenstance
Thumbnail #1 of Euphorbia x lomi by Happenstance

By daisyavenue
Thumbnail #2 of Euphorbia x lomi by daisyavenue

By daisyavenue
Thumbnail #3 of Euphorbia x lomi by daisyavenue

By daisyavenue
Thumbnail #4 of Euphorbia x lomi by daisyavenue

By daisyavenue
Thumbnail #5 of Euphorbia x lomi by daisyavenue


3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive plantaholique On Aug 15, 2010, plantaholique from Sarasota, FL wrote:

This plant flowers all year here in a protected area in zone 9b. It needs full sun, very little fertilizer, low to moderate water, and well-drained soil. It grows and spreads slowly but is well worth the patience. When mature it is a real show-stopper!

Positive daisyavenue On Apr 17, 2007, daisyavenue from Long Beach, CA (Zone 10b) wrote:

Grown in Thailand for the auspicious quality of the clusters of blooms.
The blooms start in pairs and then double and double again and can even double repeatedly until there are 32. The more time that it doubles, the luckier the plant is considered to be.

They can grow up to 8 feet tall and need to keep pruned to keep their balance.

It blooms year 'round in my zone and is captivating!

Positive kbavouset On Aug 13, 2004, kbavouset from West Covina, CA (Zone 9a) wrote:

this plant has been grown for more than 12 months in a 4 inch pot under a flourescent lamp and has flourished.


This plant has been said to grow in the following regions:

Clayton, California
Long Beach, California
Perris, California
Naples, Florida
Sarasota, Florida
Katy, Texas
Livingston, Texas

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